Uwe Hermann | 1458228 | 2009-04-18 14:02:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include <console/console.h> |
| 22 | #include <arch/smp/mpspec.h> |
| 23 | #include <device/pci.h> |
| 24 | #include <string.h> |
| 25 | #include <stdint.h> |
| 26 | |
Myles Watson | 08e0fb8 | 2010-03-22 16:33:25 +0000 | [diff] [blame] | 27 | static void *smp_write_config_table(void *v) |
Uwe Hermann | 1458228 | 2009-04-18 14:02:00 +0000 | [diff] [blame] | 28 | { |
| 29 | static const char sig[4] = "PCMP"; |
| 30 | static const char oem[8] = "COREBOOT"; |
| 31 | static const char productid[12] = "ASUS P2B-D "; |
| 32 | struct mp_config_table *mc; |
| 33 | |
| 34 | mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); |
| 35 | memset(mc, 0, sizeof(*mc)); |
| 36 | |
| 37 | memcpy(mc->mpc_signature, sig, sizeof(sig)); |
| 38 | mc->mpc_length = sizeof(*mc); /* initially just the header */ |
| 39 | mc->mpc_spec = 0x04; |
| 40 | mc->mpc_checksum = 0; /* not yet computed */ |
| 41 | memcpy(mc->mpc_oem, oem, sizeof(oem)); |
| 42 | memcpy(mc->mpc_productid, productid, sizeof(productid)); |
| 43 | mc->mpc_oemptr = 0; |
| 44 | mc->mpc_oemsize = 0; |
| 45 | mc->mpc_entry_count = 0; /* No entries yet... */ |
| 46 | mc->mpc_lapic = LAPIC_ADDR; |
| 47 | mc->mpe_length = 0; |
| 48 | mc->mpe_checksum = 0; |
| 49 | mc->reserved = 0; |
| 50 | |
| 51 | smp_write_processors(mc); |
| 52 | |
| 53 | /* Bus: Bus ID Type */ |
| 54 | smp_write_bus(mc, 0, "PCI "); |
| 55 | smp_write_bus(mc, 1, "PCI "); |
| 56 | smp_write_bus(mc, 2, "ISA "); |
| 57 | |
| 58 | /* I/O APICs: APIC ID Version State Address */ |
| 59 | smp_write_ioapic(mc, 2, 0x20, 0xfec00000); |
| 60 | { |
| 61 | device_t dev; |
| 62 | struct resource *res; |
| 63 | dev = dev_find_slot(1, PCI_DEVFN(0x1e, 0)); |
| 64 | if (dev) { |
| 65 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 66 | if (res) |
| 67 | smp_write_ioapic(mc, 3, 0x20, res->base); |
| 68 | } |
| 69 | dev = dev_find_slot(1, PCI_DEVFN(0x1c, 0)); |
| 70 | if (dev) { |
| 71 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 72 | if (res) |
| 73 | smp_write_ioapic(mc, 4, 0x20, res->base); |
| 74 | } |
| 75 | dev = dev_find_slot(4, PCI_DEVFN(0x1e, 0)); |
| 76 | if (dev) { |
| 77 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 78 | if (res) |
| 79 | smp_write_ioapic(mc, 5, 0x20, res->base); |
| 80 | } |
| 81 | dev = dev_find_slot(4, PCI_DEVFN(0x1c, 0)); |
| 82 | if (dev) { |
| 83 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 84 | if (res) |
| 85 | smp_write_ioapic(mc, 8, 0x20, res->base); |
| 86 | } |
| 87 | } |
| 88 | |
Patrick Georgi | c5b87c8 | 2010-05-20 15:28:19 +0000 | [diff] [blame] | 89 | mptable_add_isa_interrupts(mc, 0x2, 0x2, 0); |
| 90 | |
Uwe Hermann | 1458228 | 2009-04-18 14:02:00 +0000 | [diff] [blame] | 91 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, |
| 92 | 0x2, 0xb, 0x2, 0x10); |
| 93 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, |
| 94 | 0x2, 0xa, 0x2, 0x13); |
| 95 | |
| 96 | /* Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */ |
| 97 | smp_write_intsrc(mc, mp_ExtINT, |
| 98 | MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, 0x2, 0x0, |
| 99 | MP_APIC_ALL, 0x0); |
| 100 | smp_write_intsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, |
| 101 | 0x2, 0x0, MP_APIC_ALL, 0x1); |
| 102 | |
| 103 | /* There is no extension information... */ |
| 104 | |
| 105 | /* Compute the checksums */ |
| 106 | mc->mpe_checksum = |
| 107 | smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length); |
| 108 | mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length); |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 109 | printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n", |
Uwe Hermann | 1458228 | 2009-04-18 14:02:00 +0000 | [diff] [blame] | 110 | mc, smp_next_mpe_entry(mc)); |
| 111 | return smp_next_mpe_entry(mc); |
| 112 | } |
| 113 | |
| 114 | unsigned long write_smp_table(unsigned long addr) |
| 115 | { |
| 116 | void *v; |
| 117 | v = smp_write_floating_table(addr); |
| 118 | return (unsigned long)smp_write_config_table(v); |
| 119 | } |